97007621 has 2 divisors, whose sum is σ = 97007622. Its totient is φ = 97007620.

The previous prime is 97007611. The next prime is 97007633. The reversal of 97007621 is 12670079.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73290721 + 23716900 = 8561^2 + 4870^2 .

It is a cyclic number.

It is not a de Polignac number, because 97007621 - 2¹⁸ = 96745477 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97007611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48503810 + 48503811.

It is an arithmetic number, because the mean of its divisors is an integer number (48503811).

Almost surely, 2^97007621 is an apocalyptic number.

It is an amenable number.

97007621 is a deficient number, since it is larger than the sum of its proper divisors (1).

97007621 is an equidigital number, since it uses as much as digits as its factorization.

97007621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5292, while the sum is 32.

The square root of 97007621 is about 9849.2446918533. The cubic root of 97007621 is about 459.4821219693.

The spelling of 97007621 in words is "ninety-seven million, seven thousand, six hundred twenty-one".